CN202977716U - Built-in combination 2.4G WIFI antenna applied to mobile communication terminal - Google Patents
Built-in combination 2.4G WIFI antenna applied to mobile communication terminal Download PDFInfo
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- CN202977716U CN202977716U CN 201220583515 CN201220583515U CN202977716U CN 202977716 U CN202977716 U CN 202977716U CN 201220583515 CN201220583515 CN 201220583515 CN 201220583515 U CN201220583515 U CN 201220583515U CN 202977716 U CN202977716 U CN 202977716U
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Abstract
The utility model discloses a built-in combination 2.4G WIFI antenna applied to a mobile communication terminal. The built-in combination 2.4G WIFI antenna applied to the mobile communication terminal comprises a left side PCB antenna monomer and a right side PCB antenna monomer. The left side PCB antenna monomer comprises a first radiation metal wire (1.1) and a second radiation metal wire (1.2). The first radiation metal wire (1.1) and the second radiation metal wire (1.2) respectively extend out of a transmission belt (1.3) and a transmission belt (1.4). The tail end of the transmission belt (1.3) extends out of a feed point and is connected with a feeding point of a terminal main board. The tail end of the transmission belt (1.4) extends out of the feed point and is connected with a grounding point of the terminal main board. The second radiation metal wire (1.2) extends out of a transmission belt (1.5). The tail end of the transmission belt (1.5) extends out of the feed point and is welded with the terminal main board. A gap is left between the first radiation metal wire (1.1) and the second radiation metal wire (1.2). The left side PCB antenna monomer and the right side PCB antenna monomer are perpendicular to the direction of the terminal main board and are welded on the main board. The built-in combination 2.4G WIFI antenna applied to the mobile communication terminal has the advantages that radiation efficiency and gain are effectively improved; the bandwidth is improved; the performance of the antenna is improved; the structure is simple; mass production can be carried out; and the cost is saved.
Description
Technical field
The utility model relates to the built-in combination 2.4G WIFI antenna that 2.4G WIFI antenna, particularly a kind of mobile communication terminal that mobile communication terminal uses are used
Background technology
WIFI (Wireless Fidelity) be a kind of can be with terminals such as PC, portable equipments with the interconnected technology of wireless mode.Existing WIFI antenna is an antenna monomer, gains low, and narrow bandwidth, unstable properties is to the electric wave reception poor effect from different directions; Another existing WIFI antenna form mostly be external rod-type or FPC built-in, external rod-type is exposed to body and is easy to outward damage, the built-in assembling procedure relative complex of FPC, and FPC easily tears, scrappage is higher.Along with the increase of WIFI number of devices, be necessary to provide a kind of novel 2.4G WIFI antenna form.
Summary of the invention
The purpose of this utility model is to provide the built-in combination WIFI antenna that a kind of mobile communication terminal is used, and this antenna can effectively improve gain, strengthens the directivity of antenna, increase bandwidth, improve antenna performance, and can improve the electric wave reception effect from different directions, make mobile terminal be in good communication state, antenna precision is high, and is simple in structure, stable, easy for installation, easy to use in terminal inner, be easy to produce in enormous quantities, cost is low, environmental protection.
To achieve the above object of the invention, the utility model is by the following technical solutions:
This mobile communication terminal is with built-in combination 2.4G WIFI antenna, and it comprises a left side PCB antenna monomer and a right side PCB antenna monomer, and left and right PCB antenna is to be welded in Mobile terminal main board both sides perpendicular to the terminal mainboard direction.
The equivalent length of left and right PCB antenna is 1/4 wavelength place's generation resonance at electromagnetic wave respectively.
According to the designing requirement of system terminal, need to be to the electric wave from different directions, terminal is obtained reception to greatest extent, so antenna is configured to the diversity antenna form.
The utility model has the advantages that: because this antenna adopts two the antenna monomers in left and right, can effectively improve gain, strengthen the directivity of antenna, increase bandwidth, improve antenna performance, and can improve the electric wave reception effect from different directions, make mobile terminal be in good communication state, and this combined antenna employing PCB form, precision is high, simple in structure, stable, easy for installation, easy to use in terminal inner, be easy to produce in enormous quantities, cost is low, environmental protection.
Description of drawings
Fig. 1: the built-in combination of the utility model WIFI antenna left side PCB antenna monomer structure figure;
Fig. 2: the built-in combination of the utility model WIFI antenna right side PCB antenna monomer structure figure;
Fig. 3 .1: left side antenna monomer is welded in the schematic diagram of mainboard;
Fig. 3 .2: right side antenna monomer is welded in the schematic diagram of mainboard;
Fig. 4 .1: left side PCB monomer voltage standing-wave ratio;
Fig. 4 .2: right side PCB monomer voltage standing-wave ratio;
Embodiment
The built-in combined antenna of the utility model comprises a left side PCB antenna monomer and a right side PCB antenna monomer.The antenna monomer is made of with metal wire with metal wire and the second radiation the first radiation respectively, by adjust the first radiation with metal wire and the second radiation with metal wire live width separately, length, and first radiation adjust standing wave, bandwidth and the gain performance of antenna with the spacing between metal wire with metal wire and the second radiation, and reach good radiation effect.
For making this technical scheme clearer, further illustrate referring to accompanying drawing:
Fig. 1 is left side of the present utility model PCB antenna monomer, it comprises the first radiation metal wire (1.1) and the second radiation metal wire (1.2), the first radiation metal wires (1.1) and the second radiation metal wires (1.2) are extended respectively transport tape (1.3) and transport tape (1.4), transport tape (1.3) end extends the feedback point and is connected with the distributing point of terminal mainboard, transport tape (1.4) end extends the feedback point and is connected with the earth point of terminal mainboard, the second radiation is extended transport tape (1.5) with metal wire (1.2), transport tape (1.5) end extends feedback point and terminal mainboard welding, the first radiation with metal wire (1.1) and the second radiation with leaving certain interval between metal wire (1.2).
Fig. 2 is right side of the present utility model PCB antenna monomer, it comprises the first radiation metal wire (2.1) and the second radiation metal wire (2.2), the first radiation is extended respectively transport tape (2.3) and transport tape (2.4) with metal wire (2.1) and the second radiation with metal wire (2.2), transport tape (2.3) end extends the feedback point and is connected with the distributing point of terminal mainboard, transport tape (2.4) end extends the feedback point and is connected with the earth point of terminal mainboard, the second radiation is extended transport tape (2.5) with metal wire (2.2), transport tape (2.5) end extends feedback point and terminal mainboard welding, the first radiation with metal wire (2.1) and the second radiation with leaving certain interval between metal wire (2.2).
By adjusting lateral dimension (being width) or the distance between them of transport tape, change the characteristic impedance of this radiation metal wires transmission line, obtain maximum power to guarantee this radiation metal wires, improve the antenna performance index; By regulating the spacing between radiation metal wires, realize the spread bandwidth that intercouples between radiation metal wires.
Fig. 3 .1 and Fig. 3 .2 are when being used on terminal to the utility model and the relative position of mainboard and the explanation of the state of use, and left side PCB monomer (1) and right side PCB monomer (2) are welded on respectively the two ends of mainboard with the direction perpendicular to terminal mainboard.This connected mode has consisted of forms of radiation effectively, and obtains effective headroom district, makes the PCB antenna reach the highest radiation efficiency and maximum gain, to improve the reception from the different directions electric wave.
The shape of the radiation metal wires by adjusting the PCB antenna, obtain the voltage standing wave(VSW) of the left and right antenna monomer of this Novel built-in type combination 2.4G WIFI antenna such as shown in Fig. 4 .1 and 4.2, abscissa is frequency, ordinate is voltage standing wave ratio, and wherein the corresponding frequency of gauge point is: 1 point---2400MHz 2 points---2450MHz3 point---2500MHz.
Voltage standing wave ratio in Fig. 4 .1 (left side PCB monomer): 1 is: 1.4,2 are at 1.3,3 is 1.1; Voltage standing wave ratio in Fig. 4 .2 (right side PCB monomer), 1 is: 1.4,2 are at 1.0,3 is 1.4
The material that the combination of above-mentioned antenna is adopted is PCB (Printed Circuit Board) so that with antenna assemblies on mobile terminal.
As seen the built-in WIFI antenna combination of the utility model, performance is good, and consistency is strong, is fit to produce in enormous quantities.
Claims (2)
1. built-in combination 2.4G WIFI antenna that mobile communication terminal is used, it is characterized in that: this antenna comprises a left side PCB antenna monomer (1) and a right side PCB antenna monomer (2), described left side PCB antenna monomer, it comprises the first radiation metal wire (1.1) and the second radiation metal wire (1.2), the first radiation metal wires (1.1) and the second radiation metal wires (1.2) are extended respectively transport tape (1.3) and transport tape (1.4), transport tape (1.3) end extends the feedback point and is connected with the distributing point of terminal mainboard, transport tape (1.4) end extends the feedback point and is connected with the earth point of terminal mainboard, the second radiation is extended transport tape (1.5) with metal wire (1.2), transport tape (1.5) end extends feedback point and terminal mainboard welding, the first radiation with metal wire (1.1) and the second radiation with leaving certain interval between metal wire (1.2), described right side PCB antenna monomer, it comprises the first radiation metal wire (2.1) and the second radiation metal wire (2.2), the first radiation is extended respectively transport tape (2.3) and transport tape (2.4) with metal wire (2.1) and the second radiation with metal wire (2.2), transport tape (2.3) end extends the feedback point and is connected with the distributing point of terminal mainboard, transport tape (2.4) end extends the feedback point and is connected with the earth point of terminal mainboard, the second radiation is extended transport tape (2.5) with metal wire (2.2), transport tape (2.5) end extends feedback point and terminal mainboard welding, the first radiation with metal wire (2.1) and the second radiation with leaving certain interval between metal wire (2.2).
2. built-in combination 2.4GWIFI antenna according to claims 1 is characterized in that: the equivalent length of above-mentioned left and right PCB antenna is that 1/4 wavelength place produces resonance at electromagnetic wave respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583515 CN202977716U (en) | 2012-11-07 | 2012-11-07 | Built-in combination 2.4G WIFI antenna applied to mobile communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583515 CN202977716U (en) | 2012-11-07 | 2012-11-07 | Built-in combination 2.4G WIFI antenna applied to mobile communication terminal |
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| Publication Number | Publication Date |
|---|---|
| CN202977716U true CN202977716U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220583515 Expired - Fee Related CN202977716U (en) | 2012-11-07 | 2012-11-07 | Built-in combination 2.4G WIFI antenna applied to mobile communication terminal |
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| Country | Link |
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| CN (1) | CN202977716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329055A (en) * | 2015-06-29 | 2017-01-11 | 中兴通讯股份有限公司 | Mobile terminal and method for improving antenna performance of mobile terminal |
| CN106654527A (en) * | 2016-12-20 | 2017-05-10 | 西安易朴通讯技术有限公司 | Planar antenna and terminal equipment |
-
2012
- 2012-11-07 CN CN 201220583515 patent/CN202977716U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329055A (en) * | 2015-06-29 | 2017-01-11 | 中兴通讯股份有限公司 | Mobile terminal and method for improving antenna performance of mobile terminal |
| CN106329055B (en) * | 2015-06-29 | 2020-03-06 | 中兴通讯股份有限公司 | Mobile terminal and method for improving antenna performance of mobile terminal |
| CN106654527A (en) * | 2016-12-20 | 2017-05-10 | 西安易朴通讯技术有限公司 | Planar antenna and terminal equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131107 |